Transmetteur de pression et de température numérique sans fil intégré#SM39PTWB

Description du produit

Wireless digital pressure temperature integrated transmitter is designed for industrial pipeline pressure, temperature monitoring, set stainless steel oil core detection components, high precision PT 100 platinum resistance A class, high precision measurement circuit, low power embedded single chip, low power consumption wireless digital communication technology in the integration of high performance wireless digital transmitter, is with a variety of low power wireless communication network technology, and research and development of oil and gas production Internet construction one of the important front acquisition equipment.

Caractéristiques:

The high reliability design adapted to the industrial environment, as well as high accuracy, simple installation, convenient maintenance, environmental protection and durable characteristics have won user recognition, has been widely used in major oil and gas fields and other industrial stress testing fields in China.

Technical indicators

1. Working environment:

Temperature, -40~70℃; relative humidity, 0 ~ 100% RH; atmospheric pressure, 80 ~ 110 kPa;
Vibration, 10-500 Hz, with a peak acceleration of <19.6m/s2;
The AC external magnetic field is 400 A/m.

2. Power supply:

Wuhan Fuante Technology Co., LTD., lithium thionyl chloride battery
ER34615H (Energy type), 3.6V38Ah (2 ER34615 batteries in parallel)

3. Measurement performance:

Range: 0~110MPa, -200~600℃ optional;
Accuracy: 0.5 level, 0.25 level is optional;
Overload capacity: 120%FS;
Measurement principle: the pressure adopts the piezoresistance principle, the temperature adopts the PT 100 platinum resistance conversion principle.

4. Display:

LCD combination information display, pressure value, temperature value, battery voltage, channel number, signal strength, etc.;
LCD backlight, power-saving mode;
Two-color LED status indication.

5. Explosion-proof device:

Explosion-proof certificate No.: CCRI 23.2642X
Explosion-proof sign: Ex i a ⅡC T4 G a.
Warning: When the equipment is used in zone 0, attention should be paid to prevent ignition hazard caused by impact or friction; there is potential electrostatic charge danger on the surface of non-metal shell, it should be wiped with wet cloth for maintenance.

6. Wireless communication:

A variety of wireless communication systems can be selected and customized.

6.1 ZigBee

Operating frequency, ISM2.4~2.5GHz, transmitting power: 10 mW (+ 10 dBm); receiving sensitivity: -103 dBm;
Transmission distance (open field) 300m;
Communication protocol, ZigBee PRO 2007, CNPC A11-GRM, Sinopec Q / SLSH0021, can be customized according to the requirements.

6.2 LoRa

Operating frequency, 410 ~ 510 MHz, transmitting power: 100 mW (+ 20 dBm); receiving sensitivity: -140 dBm;
Transmission distance (open straight view) 3500m;
Communication protocol, LoRa, LoRaWAN, LoRa +, can customize the supporting LoRa modules according to the requirements, to achieve point-to-point, point-to-point and multi-point applications.

7. Structure

Protection level: IP68 (1m, 1h);
Instrument shell material: cast aluminum;
Contact medium material: 316L;
Process connection: M20X1.5, M27 * 2, M12 * 1.5, NPT 1 / 2, R1 / 2, G1 / 2 optional customization;
Weight: 1kg;
Overall dimensions: height, 225, width, 144, deep, 126